patch-2.3.26 linux/include/asm-ppc/amigaints.h

• Lines: 137
• Date: Fri Nov 5 15:53:26 1999
• Orig file: v2.3.25/linux/include/asm-ppc/amigaints.h
• Orig date: Tue Aug 4 16:06:36 1998

diff -u --recursive --new-file v2.3.25/linux/include/asm-ppc/amigaints.h linux/include/asm-ppc/amigaints.h
@@ -1 +1,135 @@
-#include <asm-m68k/amigaints.h>
+/*
+** amigaints.h -- Amiga Linux interrupt handling structs and prototypes
+**
+** Copyright 1992 by Greg Harp
+**
+** This file is subject to the terms and conditions of the GNU General Public
+** License.  See the file COPYING in the main directory of this archive
+** for more details.
+**
+** Created 10/2/92 by Greg Harp
+*/
+
+#ifndef _ASMm68k_AMIGAINTS_H_
+#define _ASMm68k_AMIGAINTS_H_
+
+/*
+** Amiga Interrupt sources.
+**
+*/
+
+#define AUTO_IRQS           (8)
+#define AMI_STD_IRQS        (14)
+#define CIA_IRQS            (5)
+#define AMI_IRQS            (32) /* AUTO_IRQS+AMI_STD_IRQS+2*CIA_IRQS */
+
+/* vertical blanking interrupt */
+#define IRQ_AMIGA_VERTB     0
+
+/* copper interrupt */
+#define IRQ_AMIGA_COPPER    1
+
+/* Audio interrupts */
+#define IRQ_AMIGA_AUD0	    2
+#define IRQ_AMIGA_AUD1	    3
+#define IRQ_AMIGA_AUD2	    4
+#define IRQ_AMIGA_AUD3	    5
+
+/* Blitter done interrupt */
+#define IRQ_AMIGA_BLIT	    6
+
+/* floppy disk interrupts */
+#define IRQ_AMIGA_DSKSYN    7
+#define IRQ_AMIGA_DSKBLK    8
+
+/* builtin serial port interrupts */
+#define IRQ_AMIGA_RBF	    9
+#define IRQ_AMIGA_TBE	    10
+
+/* software interrupts */
+#define IRQ_AMIGA_SOFT      11
+
+/* interrupts from external hardware */
+#define IRQ_AMIGA_PORTS	    12
+#define IRQ_AMIGA_EXTER	    13
+
+/* CIA interrupt sources */
+#define IRQ_AMIGA_CIAA      14
+#define IRQ_AMIGA_CIAA_TA   14
+#define IRQ_AMIGA_CIAA_TB   15
+#define IRQ_AMIGA_CIAA_ALRM 16
+#define IRQ_AMIGA_CIAA_SP   17
+#define IRQ_AMIGA_CIAA_FLG  18
+#define IRQ_AMIGA_CIAB      19
+#define IRQ_AMIGA_CIAB_TA   19
+#define IRQ_AMIGA_CIAB_TB   20
+#define IRQ_AMIGA_CIAB_ALRM 21
+#define IRQ_AMIGA_CIAB_SP   22
+#define IRQ_AMIGA_CIAB_FLG  23
+
+/* auto-vector interrupts */
+#define IRQ_AMIGA_AUTO      24
+#define IRQ_AMIGA_AUTO_0    24 /* This is just a dummy */
+#define IRQ_AMIGA_AUTO_1    25
+#define IRQ_AMIGA_AUTO_2    26
+#define IRQ_AMIGA_AUTO_3    27
+#define IRQ_AMIGA_AUTO_4    28
+#define IRQ_AMIGA_AUTO_5    29
+#define IRQ_AMIGA_AUTO_6    30
+#define IRQ_AMIGA_AUTO_7    31
+
+#define IRQ_FLOPPY	    IRQ_AMIGA_DSKBLK
+
+/* INTREQR masks */
+#define IRQ1_MASK   0x0007	/* INTREQR mask for IRQ 1 */
+#define IRQ2_MASK   0x0008	/* INTREQR mask for IRQ 2 */
+#define IRQ3_MASK   0x0070	/* INTREQR mask for IRQ 3 */
+#define IRQ4_MASK   0x0780	/* INTREQR mask for IRQ 4 */
+#define IRQ5_MASK   0x1800	/* INTREQR mask for IRQ 5 */
+#define IRQ6_MASK   0x2000	/* INTREQR mask for IRQ 6 */
+#define IRQ7_MASK   0x4000	/* INTREQR mask for IRQ 7 */
+
+#define IF_SETCLR   0x8000      /* set/clr bit */
+#define IF_INTEN    0x4000	/* master interrupt bit in INT* registers */
+#define IF_EXTER    0x2000	/* external level 6 and CIA B interrupt */
+#define IF_DSKSYN   0x1000	/* disk sync interrupt */
+#define IF_RBF	    0x0800	/* serial receive buffer full interrupt */
+#define IF_AUD3     0x0400	/* audio channel 3 done interrupt */
+#define IF_AUD2     0x0200	/* audio channel 2 done interrupt */
+#define IF_AUD1     0x0100	/* audio channel 1 done interrupt */
+#define IF_AUD0     0x0080	/* audio channel 0 done interrupt */
+#define IF_BLIT     0x0040	/* blitter done interrupt */
+#define IF_VERTB    0x0020	/* vertical blanking interrupt */
+#define IF_COPER    0x0010	/* copper interrupt */
+#define IF_PORTS    0x0008	/* external level 2 and CIA A interrupt */
+#define IF_SOFT     0x0004	/* software initiated interrupt */
+#define IF_DSKBLK   0x0002	/* diskblock DMA finished */
+#define IF_TBE	    0x0001	/* serial transmit buffer empty interrupt */
+
+struct irq_server {
+	unsigned short count, reentrance;
+};
+
+extern void amiga_do_irq(int irq, struct pt_regs *fp);
+extern void amiga_do_irq_list(int irq, struct pt_regs *fp, struct irq_server *server);
+
+/* CIA interrupt control register bits */
+
+#define CIA_ICR_TA	0x01
+#define CIA_ICR_TB	0x02
+#define CIA_ICR_ALRM	0x04
+#define CIA_ICR_SP	0x08
+#define CIA_ICR_FLG	0x10
+#define CIA_ICR_ALL	0x1f
+#define CIA_ICR_SETCLR	0x80
+
+/* to access the interrupt control registers of CIA's use only
+** these functions, they behave exactly like the amiga os routines
+*/
+
+extern struct ciabase ciaa_base, ciab_base;
+
+extern unsigned char cia_set_irq(unsigned int irq, int set);
+extern unsigned char cia_able_irq(unsigned int irq, int enable);
+
+#endif /* asm-m68k/amigaints.h */